/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package org.neo4j.internal.batchimport.staging;

import java.util.function.Supplier;
import org.neo4j.internal.batchimport.executor.ProcessorScheduler;

/**
 * Represents a means to control and coordinate lifecycle matters about a {@link Stage} and all its
 * {@link Step steps}.
 */
public interface StageControl {
    void panic(Throwable cause);

    void assertHealthy();

    void recycle(Object batch);

    boolean isIdle();

    <T> T reuse(Supplier<T> fallback);

    ProcessorScheduler scheduler();
}
